:root {
  --theme: #076ce0;
  font-family: '微软雅黑';
  user-select: none;
  scroll-behavior: smooth;
}

.container {
  width: 1200px;
  margin: 0 auto;
}

/* -------------- flex ---------- */
.fx {
  display: flex;
}

.fa {
  display: flex;
  justify-content: space-around;
}

.fb {
  display: flex;
  justify-content: space-between;
}

.fc {
  display: flex;
  align-items: center;
  justify-content: center;
}

.fab {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.fac {
  display: flex;
  align-items: center;
}

.wrap {
  flex-wrap: wrap;
}

/*  添加的公共代码 */
/* 头部 ------------------------------------------- */
header .container {
  height: 115px;
}
header span{
  font-size: 32px;
  font-weight: bold;
  color: var(--theme);
  cursor: pointer;
}

header .right {
  width: 324px;
  line-height: 40px;
  border: 1px solid var(--theme);
}

header .right div {
  width: 50%;
  text-align: center;
}

header .right .tel-des {
  font-size: 14px;
  color: rgb(118, 118, 118);
  /* height: 80px; */
  /* vertical-align: bottom; */
}

header .right .tel-num {
  font-family: Arial;
  font-size: 24px;
  font-weight: bold;
  /* color: var(--theme); */
  color: #fff;
  background-color: var(--theme);
}


/* nav -------------------------------------- */
nav {
  height: 51px;
  line-height: 51px;
  background-color: var(--theme);
}
nav li a{
  width: 100px;
  margin: 0 10px;
  color: #fff;
}

nav li.act,
nav li:hover {
  background-color: #fff;
}

nav li.act a,
nav li:hover a {
  color: var(--theme);
}

/* 底部 ================================================== */
.footer {
  font-size: 14px; 
  color: rgb(153, 153, 153);
  background-color: #2b2b2b;
}

.footer .container {
  height: 200px;
  border-bottom: 1px solid #4d4d4d;
  box-sizing: border-box;
}

.footer img {
  width: 50px;
}

.footer .container .fx p {
  position: relative;
  width: 80px;
  line-height: 27px;
  margin-left: 33px;
}

.footer .container .fx p::before {
  content: '';
  position: absolute;
  top: 0;
  left: -16px;
  width: 2px;
  height: 48px;
  background-color: #4c4c4c;
}

.footer .container .fx:first-child p {
  width: 216px;
  white-space: pre-line;
}

.footer-info {
  height: 126px;
  background-color: #282828;
}

/* 展示的图片 ------------------------------------------ */
.show-img {
  margin-top: 88px;
  margin-bottom: 102px;
  overflow: hidden;
}

.show-img img{
  float: left;
}

.show-img img:first-child {
  width: 380px;
  height: 620px;
  margin-right: 12px;
}

.show-img img:nth-child(2),
.show-img img:last-child{
  width: 320px;
  height: 304px;
}

.show-img img:nth-child(2) {
  margin-right: 12px;
  margin-bottom: 12px;
}

.show-img img:nth-child(3), 
.show-img img:nth-child(4) {
  width: 476px;
  height: 304px;
}

.show-img img:nth-child(3) {
  margin-bottom: 12px;
}

.show-img img:nth-child(4) {
  /* margin-right: 12px; */
  width: 808px;
}

/* 其他页面的 banner */
.banner {
  height: 300px;
}